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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[RFI\]\s+Clean\s+Audio\s+Amplifiers\s+For\s+Amateur\s+Use\?\s*$/: 5 ]

Total 5 documents matching your query.

1. Re: [RFI] Clean Audio Amplifiers For Amateur Use? (score: 1): Author: Tony <73guddx@gmail.com>; Date: Tue, 13 Oct 2020 02:30:37 -0400; All: Any suggestions on where to find such a beast at a reasonable price? Tony _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/; /archives//html/RFI/2020-10/msg00056.html (7,244 bytes)
2. Re: [RFI] Clean Audio Amplifiers For Amateur Use? (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Tue, 13 Oct 2020 04:59:48 -0500; Ebay. Search for tube audio amplifier. Most of the results will be crazy over priced. Look for a junker that has to be fixed up. Some of the old brands are Heathkit, Eico, Grommes. Lots of Heathkits; /archives//html/RFI/2020-10/msg00057.html (7,286 bytes)
3. Re: [RFI] Clean Audio Amplifiers For Amateur Use? (score: 1): Author: "Hare, Ed W1RFI" <w1rfi@arrl.org>; Date: Tue, 13 Oct 2020 13:25:29 +0000; Many of the old solid-state amplifiers also have analog supplies. The key is -- weight. If it's got iron, it's analog. Ebay. Search for tube audio amplifier. Most of the results will be crazy over pr; /archives//html/RFI/2020-10/msg00058.html (8,271 bytes)
4. Re: [RFI] Clean Audio Amplifiers For Amateur Use? (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Tue, 13 Oct 2020 11:02:49 -0500; The problem with solid state is that if the RF field is strong enough, a cheap analog solid state amp will pick up enough RF on the internal leads and the transistors will rectify it. This is especia; /archives//html/RFI/2020-10/msg00059.html (7,681 bytes)
5. Re: [RFI] Clean Audio Amplifiers For Amateur Use? (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Tue, 13 Oct 2020 10:07:07 -0700; I think most stereo/5/7/9 channel "receivers" are transformer power supplies and AB designs. At least the couple dozen I've owned. Maybe the latest $100 ones at Best Buy are now SMPS. If the power la; /archives//html/RFI/2020-10/msg00060.html (10,404 bytes)

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